Measurement and Instrumentation The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is 4 mA. 2 mA. 1 mA. 3 mA. 4 mA. 2 mA. 1 mA. 3 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Dynamic errors are caused by observational error instrument not responding fast human error environmental error observational error instrument not responding fast human error environmental error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The error of an instrument is normally given as a percentage of Mean value Full-scale value Measured value Rms value Mean value Full-scale value Measured value Rms value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Assertion(A): A low power factor wattmeter has special constructional features to ensure accurate measurment. Reason(R): Extension of wattmeter range in DC circuit can be easily done by using current and potential transformer A is false R is true. A is true R is false. Both A and R is true and R is correct explanation of A C. Both A and R is true and R is not correct explanation of A. A is false R is true. A is true R is false. Both A and R is true and R is correct explanation of A C. Both A and R is true and R is not correct explanation of A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ratio of readings of two wattmeter connected to measure power in a balanced 3-phase load is 5:3 and the load is inductive. The power factor at load is 0.917 lag. 0.6 lead. 0.917 lead. 0.6 lag. 0.917 lag. 0.6 lead. 0.917 lead. 0.6 lag. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure the flux, devices used are based on Piezo-electric effect Hall effect Voltaic effect Photo-voltaic effect Piezo-electric effect Hall effect Voltaic effect Photo-voltaic effect ANSWER DOWNLOAD EXAMIANS APP
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